. Bulletin of entomological research. Entomology. 154 MAJOR E. E. AUSTEN. greyish-olive or pale smoke-grey pollinose triangle, which in each case has its base resting on hind margin, while apex reaches anterior margin in case of triangle on fifth segment, though on fourth tergite triangle is confined to posterior two-thirds, while on third tergite triangle does not extend beyond half-way; venter in $ resembling dorsum, though median spots or blotches on first two (visible) sternites are fainter (neutral grey or deep neutral grey pollinose), while those on the three following sternites are tran
. Bulletin of entomological research. Entomology. 154 MAJOR E. E. AUSTEN. greyish-olive or pale smoke-grey pollinose triangle, which in each case has its base resting on hind margin, while apex reaches anterior margin in case of triangle on fifth segment, though on fourth tergite triangle is confined to posterior two-thirds, while on third tergite triangle does not extend beyond half-way; venter in $ resembling dorsum, though median spots or blotches on first two (visible) sternites are fainter (neutral grey or deep neutral grey pollinose), while those on the three following sternites are transversely oblong, and last three sternites (except, in case of penultimate and antepenultimate sternites, hind borders and median transverse blotches) are iron- grey ; abdomen in $ clothed mainly with whitish or yellowish (cream-buff or cream- coloured) hair, longer and finer on lateral borders, some of the dark spots, especially on ventral surface, covered mainly or partly with black or blackish hair; dorsum in $ (see fig. 3) with a cream-buff or cream-coloured transverse band (deep at each lateral extremity, but very narrow in middle, and with deeply sinuous, bilaterally. Fig. 3. Chrysops buxtoni, Austen, ^ ; X 7. symmetrical anterior and posterior margins) occupying hind border of first (visible) segment and anterior border of second segment; second and three foUowing tergites in $ each with a median, forwardly directed, light brownish-olive pollinose triangle resting on hind margin, these triangles varying in size in different individuals ; while in some cases all the triangles are small, in others the three hindmost are large, the apex in each instance almost, if not quite, reaching the hind margin of the segment in front ; third and two following tergites each with a more or less distinct, light brownish-olive pollinose, elongate mark between median triangle and lateral margin on each side ; sixth and seventh tergites in $ and hind borders of the four preceding segments li
Size: 1956px × 1277px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectentomology, bookyear1
